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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter 2 Alarm Troubleshooting
2.7.56 EOC
Note For more information about the ML-100T-8 Ethernet card, refer to the Cisco ONS 15310-CL and
Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration Guide.
Clear the ENCAP-MISMATCH-P Alarm
Step 1 Ensure that the correct line type is in use on the receive card by completing the following steps:
a. In node view, double-click the receive ML-100T-8 card to display the card view.
b. Click the Provisioning > Card tabs.
c. In the Mode drop-down list, ensure that the same mode (GFP or HDLC) is selected. If it is not,
choose it and click Apply.
Step 2 Ensure that the correct line type is in use on the transmit card and that it is identical to the receiving card
by completing the following steps:
a. In node view, double-click the transmit ML-100T-8 card to display the card view.
b. Click the Provisioning > Card tabs.
c. In the Mode drop-down list, ensure that the same mode (GFP or HDLC) is selected. If it is not,
choose it and click Apply.
Step 3 If the alarm does not clear, use the CLI to ensure that the remaining settings are correctly configured on
the ML-100T-8 card:
• Encapsulation
• CRC size
• Scrambling state
To open the interface, click the IOS tab and click Open IOS Command Line Interface (CLI). Refer to
the Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration
Guide entries on all three of these topics to obtain the full configuration command sequences.
Step 4 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1-800-553-2447) in order to report a Service-Affecting (SA)
problem.
2.7.56 EOC
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: OCN
The SONET DCC Termination Failure alarm occurs when the ONS 15310-CL or ONS 15310-MA loses
its DCC. The section data communication channel (SDCC) overhead consists of three bytes, D1 through
D3, in the SONET overhead. The bytes convey information about Operation, Administration,
Maintenance, and Provisioning (OAM&P). The node uses the DCC on the SONET section layer to
communicate network management information.